diff options
| -rw-r--r-- | src/video_core/renderer_opengl/gl_shader_decompiler.cpp | 63 |
1 files changed, 57 insertions, 6 deletions
diff --git a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp index 3adf7f0cb..f53d7021e 100644 --- a/src/video_core/renderer_opengl/gl_shader_decompiler.cpp +++ b/src/video_core/renderer_opengl/gl_shader_decompiler.cpp @@ -366,10 +366,19 @@ constexpr bool IsGenericAttribute(Attribute::Index index) { return index >= Attribute::Index::Attribute_0 && index <= Attribute::Index::Attribute_31; } +constexpr bool IsLegacyTexCoord(Attribute::Index index) { + return static_cast<int>(index) >= static_cast<int>(Attribute::Index::TexCoord_0) && + static_cast<int>(index) <= static_cast<int>(Attribute::Index::TexCoord_7); +} + constexpr Attribute::Index ToGenericAttribute(u64 value) { return static_cast<Attribute::Index>(value + static_cast<u64>(Attribute::Index::Attribute_0)); } +constexpr int GetLegacyTexCoordIndex(Attribute::Index index) { + return static_cast<int>(index) - static_cast<int>(Attribute::Index::TexCoord_0); +} + u32 GetGenericAttributeIndex(Attribute::Index index) { ASSERT(IsGenericAttribute(index)); return static_cast<u32>(index) - static_cast<u32>(Attribute::Index::Attribute_0); @@ -502,7 +511,7 @@ private: if (!identifier.empty()) { code.AddLine("// {}", identifier); } - code.AddLine("#version 440 core"); + code.AddLine("#version 440 {}", ir.UsesLegacyVaryings() ? "compatibility" : "core"); code.AddLine("#extension GL_ARB_separate_shader_objects : enable"); if (device.HasShaderBallot()) { code.AddLine("#extension GL_ARB_shader_ballot : require"); @@ -564,6 +573,16 @@ private: if (stage != ShaderType::Fragment) { return; } + if (ir.UsesLegacyVaryings()) { + code.AddLine("in gl_PerFragment {{"); + ++code.scope; + code.AddLine("vec4 gl_TexCoord[8];"); + code.AddLine("vec4 gl_Color;"); + code.AddLine("vec4 gl_SecondaryColor;"); + --code.scope; + code.AddLine("}};"); + } + for (u32 rt = 0; rt < Maxwell::NumRenderTargets; ++rt) { code.AddLine("layout (location = {}) out vec4 frag_color{};", rt, rt); } @@ -628,6 +647,14 @@ private: code.AddLine("int gl_VertexID;"); } + if (ir.UsesLegacyVaryings()) { + code.AddLine("vec4 gl_TexCoord[8];"); + code.AddLine("vec4 gl_FrontColor;"); + code.AddLine("vec4 gl_FrontSecondaryColor;"); + code.AddLine("vec4 gl_BackColor;"); + code.AddLine("vec4 gl_BackSecondaryColor;"); + } + --code.scope; code.AddLine("}};"); code.AddNewLine(); @@ -1131,6 +1158,10 @@ private: default: UNREACHABLE(); } + case Attribute::Index::FrontColor: + return {"gl_Color"s + GetSwizzle(element), Type::Float}; + case Attribute::Index::FrontSecondaryColor: + return {"gl_SecondaryColor"s + GetSwizzle(element), Type::Float}; case Attribute::Index::PointCoord: switch (element) { case 0: @@ -1171,6 +1202,12 @@ private: return {GeometryPass(GetGenericInputAttribute(attribute)) + GetSwizzle(element), Type::Float}; } + if (IsLegacyTexCoord(attribute)) { + UNIMPLEMENTED_IF(stage == ShaderType::Geometry); + return {fmt::format("gl_TexCoord[{}]{}", GetLegacyTexCoordIndex(attribute), + GetSwizzle(element)), + Type::Float}; + } break; } UNIMPLEMENTED_MSG("Unhandled input attribute: {}", static_cast<u32>(attribute)); @@ -1209,11 +1246,12 @@ private: } std::optional<Expression> GetOutputAttribute(const AbufNode* abuf) { + const u32 element = abuf->GetElement(); switch (const auto attribute = abuf->GetIndex()) { case Attribute::Index::Position: - return {{"gl_Position"s + GetSwizzle(abuf->GetElement()), Type::Float}}; + return {{"gl_Position"s + GetSwizzle(element), Type::Float}}; case Attribute::Index::LayerViewportPointSize: - switch (abuf->GetElement()) { + switch (element) { case 0: UNIMPLEMENTED(); return {}; @@ -1231,13 +1269,26 @@ private: return {{"gl_PointSize", Type::Float}}; } return {}; + case Attribute::Index::FrontColor: + return {{"gl_FrontColor"s + GetSwizzle(element), Type::Float}}; + case Attribute::Index::FrontSecondaryColor: + return {{"gl_FrontSecondaryColor"s + GetSwizzle(element), Type::Float}}; + case Attribute::Index::BackColor: + return {{"gl_BackColor"s + GetSwizzle(element), Type::Float}}; + case Attribute::Index::BackSecondaryColor: + return {{"gl_BackSecondaryColor"s + GetSwizzle(element), Type::Float}}; case Attribute::Index::ClipDistances0123: - return {{fmt::format("gl_ClipDistance[{}]", abuf->GetElement()), Type::Float}}; + return {{fmt::format("gl_ClipDistance[{}]", element), Type::Float}}; case Attribute::Index::ClipDistances4567: - return {{fmt::format("gl_ClipDistance[{}]", abuf->GetElement() + 4), Type::Float}}; + return {{fmt::format("gl_ClipDistance[{}]", element + 4), Type::Float}}; default: if (IsGenericAttribute(attribute)) { - return {{GetGenericOutputAttribute(attribute, abuf->GetElement()), Type::Float}}; + return {{GetGenericOutputAttribute(attribute, element), Type::Float}}; + } + if (IsLegacyTexCoord(attribute)) { + return {{fmt::format("gl_TexCoord[{}]{}", GetLegacyTexCoordIndex(attribute), + GetSwizzle(element)), + Type::Float}}; } UNIMPLEMENTED_MSG("Unhandled output attribute: {}", static_cast<u32>(attribute)); return {}; |